<template>
  <div>
    <el-container style="height: 700px; border: 1px solid #eee">
      <el-aside width="200px" style="background-color: rgb(238, 241, 246)">
        <el-menu :default-openeds="['1', '3']">
          <el-submenu index="1">
            <template slot="title"><i class="el-icon-message"></i>基础管理</template>
              <el-menu-item index="1-1"><router-link to="/adver">广告管理</router-link></el-menu-item>
          </el-submenu>
          <el-submenu index="2">
            <template slot="title"><i class="el-icon-menu"></i>课程模块</template>
            <el-menu-item-group>
              <el-menu-item index="2-1"><router-link to="/course">添加课程</router-link></el-menu-item>
              <el-menu-item index="2-2"><router-link to="/courseList">课程列表</router-link></el-menu-item>
            </el-menu-item-group>
          </el-submenu>
          <el-submenu index="3">
            <template slot="title"><i class="el-icon-user"></i>用户管理</template>
            <el-menu-item-group>
              <el-menu-item index="2-3"><router-link to="/userList">用户列表</router-link></el-menu-item>
            </el-menu-item-group>
          </el-submenu>
          <el-submenu index="6">
            <template slot="title"><i class="el-icon-user-solid"></i>讲师管理</template>
            <el-menu-item-group>
              <el-menu-item index="2-4"><router-link to="/teacher">讲师列表</router-link></el-menu-item>
            </el-menu-item-group>
          </el-submenu>
          <el-submenu index="4">
            <template slot="title"><i class="el-icon-video-camera"></i>视屏管理</template>
            <el-menu-item-group>
              <el-menu-item index="2-5"><router-link to="/addVideo">上传视频</router-link></el-menu-item>
              <el-menu-item index="2-6"><router-link to="/classesList">视频列表</router-link></el-menu-item>
            </el-menu-item-group>
          </el-submenu>
         <!-- <el-submenu index="5">
            <template slot="title"><i class="el-icon-s-order"></i>订单管理</template>
          </el-submenu>-->
          <el-submenu index="4">
            <template slot="title"><i class="el-icon-video-camera"></i>数据可视化</template>
            <el-menu-item-group>
              <el-menu-item index="2-7"><router-link to="/myData">课程分类图</router-link></el-menu-item>
            </el-menu-item-group>
          </el-submenu>
        </el-menu>
      </el-aside>

      <el-container>
        <el-header style="text-align: right; font-size: 12px">
          <el-dropdown>
            <i class="el-icon-setting" style="margin-right: 15px"></i>
            <el-dropdown-menu slot="dropdown">
              <el-dropdown-item>查看</el-dropdown-item>
              <el-dropdown-item>新增</el-dropdown-item>
              <el-dropdown-item>删除</el-dropdown-item>
            </el-dropdown-menu>
          </el-dropdown>
          <span>王小虎</span>
        </el-header>

        <el-main>
          <router-view></router-view>
        </el-main>
      </el-container>
    </el-container>
  </div>
</template>

<script>
  export default {
    data() {
      const item = {
        date: '2016-05-02',
        name: '王小虎',
        address: '上海市普陀区金沙江路 1518 弄'
      };
      return {
        tableData: Array(20).fill(item)
      }
    }
  };
</script>

<style>
  .el-header {
    background-color: #B3C0D1;
    color: #333;
    line-height: 60px;
  }
  a{
    text-decoration:none
  }
  .el-aside {
    color: #333;
  }
</style>
